Electrostatic traps for dipolar excitons

Ronen Rapaport*, Gang Chen, Steven Simon, Oleg Mitrofanov, Loren Pfeiffer, P. M. Platzman

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

61 Scopus citations


We consider the design of two-dimensional electrostatic traps for dipolar indirect excitons. We show that the exciton dipole-dipole interaction, combined with the in-plane electric fields that arise due to the trap geometry, constrains the maximal density and lifetime of trapped excitons. We derive an analytic estimate of these values and determine their dependence on the trap geometry, thus suggesting the optimal design for high density trapping as a route for observing excitonic Bose-Einstein condensation.

Original languageAmerican English
Article number075428
JournalPhysical Review B - Condensed Matter and Materials Physics
Issue number7
StatePublished - 15 Aug 2005
Externally publishedYes


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